Definition: If time flies, it passes very quickly. Level: C2
有很多事情要做，时间飞逝。
There was plenty to do, and the time ___flew.
但你必须享受它，因为时光飞逝，你会在不知不觉中变老！
But you have to enjoy it because time ___flies, and you will be old before you know it!
当你沉浸在一本好书中时，时间飞逝。
When you're engrossed in a good book, time ___flies.
